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Shark HE402AMZ Air Purifier Review

As we become more conscious of our health and wellness, having an air purifier at home isn’t just a luxury, it’s a necessity. The Shark HE402AMZ Air Purifier steps in to offer a solution. Created by Shark, a company celebrated for their cutting-edge cleaning technologies, the HE402AMZ air purifier aims to improve the air quality of our homes. With its modern design and smart features, this device promises a breath of fresh air in more ways than one.

What sets the Shark HE402AMZ apart? Its claim to fame is its advanced six-layer filtration system and a promise to capture 99.97% of particles in the air. But is it really up to the task? In this comprehensive review, we will scrutinize every facet of the Shark HE402AMZ Air Purifier and see if it lives up to the hype.

Unboxing the Shark HE402AMZ

What’s in the Box?

Inside the box, you will find:

  • Shark HE402AMZ Air Purifier
  • User Manual
  • HEPA Filter
  • Carbon Filter
  • Pre-filter

The filters are packaged separately but are easy to install, ensuring your purifier is ready for use in no time.

Design and Build

Sleek, Modern Design

The Shark HE402AMZ is a showstopper with its sleek, modern design. Its dimensions (14.96″ L x 10.43″ W x 25.39″ H) make it a perfect fit for any room without occupying too much space.

Sturdy Construction and Materials

Made with high-quality plastics and metallic accents, the HE402AMZ has a premium look and feel. It is sturdy, durable, and designed to seamlessly blend with any interior decor.

User Interface and Controls

The intuitive touch controls offer easy and quick access to all of the HE402AMZ’s features. A clear LED screen displays the current air quality and mode. The interface also includes buttons for power, speed control, timer, and mode selection.

Core Features

Six-Stage Filtration System


The first line of defense is the pre-filter that captures large particles such as pet hair and lint.

Anti-odor Carbon Filter

Next, the carbon filter eliminates common household odors and harmful gases.

True HEPA Filter

The HEPA filter captures 99.97% of small particles, including dust, pollen, and allergens, as small as 0.3 microns.

Anti-bacterial Filter

The antibacterial filter stops the growth of bacteria and viruses.

Anti-viral Nano Shield

The Nano Shield destroys viruses, ensuring the air you breathe is clean and safe.

Photocatalytic Filter

The final stage is the photocatalytic filter, which breaks down toxic chemicals, ensuring an extra layer of air purification.

Smart Sensing Technology

The Shark HE402AMZ is equipped with Smart Sensing Technology. It constantly monitors the air quality in your room and automatically adjusts the fan speed to ensure optimal performance.

Multiple Fan Speeds

With three fan speeds, the Shark HE402AMZ can be customized to your preference. Whether you want quiet operation while you sleep or high-speed air purification, this device has got you covered.

Sleep Mode

The Sleep Mode provides quiet operation and dims the LED lights for a disturbance-free night.


The built-in timer allows you to set the purifier to automatically turn off after a specific period.

Performance and Efficiency

Air Cleaning Performance

The Shark HE402AMZ is designed for large rooms up to 1,200 square feet, making it ideal for living rooms, open-plan kitchens, or large bedrooms. With its six-stage air filtration system, it effectively captures and eliminates pollutants, ensuring that the air you breathe is clean and safe.

Noise Levels

At its lowest setting, the Shark HE402AMZ operates at a whisper-quiet 35 dB, which is quieter than a library. Even at its highest setting, the noise level is only 61 dB, equivalent to a normal conversation.

Energy Efficiency

The Shark HE402AMZ is Energy Star certified, which means it meets stringent energy efficiency criteria set by the US Environmental Protection Agency. It consumes between 2W to 50W, depending on the fan speed, making it highly energy-efficient.

Ease of Use

Simple Setup and Operation

With intuitive touch controls and a clear LED display, the Shark HE402AMZ Air Purifier is a breeze to set up and operate.

Maintenance and Filter Replacement

The device’s filter replacement indicator will alert you when it’s time to replace the filters. Replacing the filters is easy and hassle-free, requiring no special tools.

Air Quality Indicator

The HE402AMZ comes with a built-in air quality indicator that provides real-time updates about the air quality in your room. Using color-coded lights, it’s easy to see at a glance the state of your air: blue for excellent, green for good, yellow for fair, and red for poor.

Smart Home Integration

Alexa and Google Home Integration

The Shark HE402AMZ can be integrated with Amazon Alexa and Google Home, allowing you to control your air purifier with your voice.

SharkClean App

With the SharkClean app, you can monitor and control your air purifier from anywhere. The app allows you to turn the device on/off, change fan speeds, set a schedule, and receive real-time air quality updates.

Safety Features

Auto Shut-Off

The HE402AMZ comes with an auto shut-off feature that turns the purifier off when tipped over, providing peace of mind, especially in homes with kids and pets.

Filter Lock

The filter lock feature ensures the purifier will only operate if the filters are properly installed, preventing any misuse.

Pricing and Availability

The Shark HE402AMZ air purifier is priced competitively, given its high-end features and superior performance. While it might seem pricey compared to budget options, its six-stage filtration system, smart features, and energy efficiency make it a worthy investment. It’s available on major online retailers like Amazon and also through the official Shark website.

Consumer Feedback

What Users Love About the Shark HE402AMZ

Users appreciate the effective air cleaning performance, quiet operation, and smart features like smart home integration and the SharkClean app.

Common Criticisms and Concerns

Some users have mentioned that the replacement filters can be a bit pricey and that initial setup may require some time.

Analyzing Customer Reviews and Ratings

Overall, the Shark HE402AMZ Air Purifier boasts high customer satisfaction for its performance, advanced features, and quality.

Pros and Cons

Summarizing the Strengths

  • Six-stage filtration system for comprehensive air purification.
  • Smart home integration for voice control and app control.
  • Quiet operation for disturbance-free air purification.
  • Energy Star certified for energy efficiency.

Addressing the Weaknesses

  • Replacement filters can be a bit pricey.
  • Initial setup may take some time.


The Shark HE402AMZ stands as an excellent choice among air purifiers in the market today. Its six-layer filtration system offers comprehensive air purification, capturing and eliminating a wide range of air pollutants including viruses and bacteria. The Shark HE402AMZ Air Purifier integrates modern technology with smart features, creating a user-friendly and effective air purifier.


The Shark HE402AMZ Air Purifier goes beyond the norm with its advanced six-layer filtration system, smart sensing technology, multiple fan speeds, and smart home integration. Whether you have allergies, live with pets, or just want to improve the air quality of your home, the Shark HE402AMZ is a sound investment. It not only cleans the air, but also provides a seamless user experience with its smart features.


Is the Shark HE402AMZ suitable for large rooms?

Yes, the Shark HE402AMZ is suitable for large rooms up to 1,200 square feet.

How often do I need to replace the filters in the Shark HE402AMZ?

The HE402AMZ has a filter replacement indicator that alerts you when it’s time to replace the filters. The frequency of replacement depends on the air quality in your home and the usage of the air purifier.

Can the Shark HE402AMZ eliminate viruses?

Yes, the Shark HE402AMZ is equipped with an anti-viral Nano shield that destroys viruses.

Can I control the Shark HE402AMZ with my voice or through an app?

Yes, the Shark HE402AMZ can be integrated with Amazon Alexa and Google Home for voice control. You can also control and monitor the device through the SharkClean app.

Is the Shark HE402AMZ energy-efficient?

Yes, the Shark HE402AMZ is Energy Star certified, making it highly energy-efficient.

About the author

Hi I’m Alex, founder of HouseholdMe.com and I’d like to say thank you for dropping by. Like most of you, the first thing I look at before buying something online is reviews or buying guides. By reading what other people say will help me gauge whether or not a product is good or not.  I am trying to help people find answers, solve problems, and get inspired.

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